diff --git a/tau.py b/tau.py
new file mode 100644
index 0000000..cfb14b5
--- /dev/null
+++ b/tau.py
@@ -0,0 +1,62 @@
+import radio
+from microbit import display, Image, button_a, button_b, sleep
+
+stop = Image("09990:"
+             "90009:"
+             "90009:"
+             "90009:"
+             "09990")
+             
+danger = Image("90909:"
+             "90909:"
+             "90909:"
+             "00000:"
+             "90909")
+             
+left = Image("00900:"
+             "09000:"
+             "99999:"
+             "09000:"
+             "00900")
+             
+right = Image("00900:"
+             "00090:"
+             "99999:"
+             "00090:"
+             "00900")
+
+cdbutt = 0 # Countdown from pressing 1 button, so it doesn't show arrow instead of stop sign.
+cdstop = 0 # Countdown after displaying stop sign, so arrows don't display.
+             
+radio.on()
+
+while True:
+    cdstop = cdstop + 1
+    
+    if button_a.is_pressed() and button_b.is_pressed():
+        cdstop = 0
+        radio.send('stop')
+        display.show(stop)
+        sleep(500)
+        display.clear()
+        
+    elif button_a.is_pressed() and cdstop >= 150 and cdbutt >= 150:
+        radio.send('left')
+        display.show(left)
+        sleep(500)
+        cdbutt = 0
+        display.clear()
+    elif button_a.is_pressed() and cdstop >= 150:
+        cdbutt = cdbutt + 1
+        
+    elif button_b.is_pressed() and cdstop >=150 and cdbutt >= 150:
+        radio.send('right')
+        display.show(right)
+        sleep(500)
+        cdbutt = 0
+        display.clear()
+    elif button_b.is_pressed() and cdstop >= 150:
+        cdbutt = cdbutt + 1
+
+
+